…a mixing of the bottle before use. Preformed gradients can be stored for weeks without a change in gradient shape, provided that the gradient remains unfrozen. Percoll can be buffered within the pH range 5.5 to 10.0 without any changes in properties. If the pH is dropped below 5.5, gelling…

Recommended for use in preventing contamination by solubility or pH change With dropping bulb and pipet, Standard Taperground-glass stopper Stopper for 30 mL size is not standard Standard Taper. IMPORTANT: stopper is not covered by Standard Taperspecifications, but ground to an…

…bottle and dispensing tip permit easy content identification and the colored closures permit easy reagent identification, while the white dispensing bottles are ideal for UV light-sensitive products. Available in three convenient sizes. Dropper control tip snaps into place for a secure fit. Drops…

…bottles with GPS No. 38-430 or 38-400 threads This dispenser fits many 2.5 & 4 liters, 5 pint (80 fl. Oz), ½ gallon & 1-gallon jugs and bottles. To use, squeeze the smaller bottle and depress the top button to immediately stop dispensing. Use the two included adapters for short neck bottles.…

…By Squeezing the Bottle Squeezing forces the desired volume of liquid through the tube and into the cup. When pressure is released, excess fluid returns into the bottle for spill free pouring. Measure liquids from 5ml to 25ml just by squeezing the bottle Polypropylene dispensing…

Heavy wall, wide mouth Polytetrafluoroethylene screws closure with machine finish for ease in cleaning. Virtually immune to chemical attack, only attacked by some fluorine containing compounds at high temperature and molten alkalis metals. Working temperature range is from cryogenic to 260°C.…

The dropper bottle is designed for general purpose use and for determining the oil absorption of pigments (ASTM D281). Provided with a medium length Standard Taper pipet dropper and a rubber nipple The 30 and 60 mL sizes are designed from Federal Specification A-A-5134 requirements The…

These low density polyethylene bottles are supplied with a bellow-type dropping pipette. Pipettes are graduated for nominal indication of amount of liquid being drawn. Bellows-shaped bulb makes use easy and provides excellent drop formation.

CLEARANCE SALE! Original Price: $ 406.27 WHEATON dropper tip caps are available in radiation grade polypropylene in a variety of colors. * Sale price valid only on current stock. Additional units may be available for purchase at original price. Sales are on a first…

An ideal bottle for water and oils as there are no shoulders to restrict flow. They are graduated and can be used as rough measures. Molded in area for tag to allow for easy identification. Conforms to DlN 13316 and 168.

Bottle made of low density polyethylene Manufactured to strict quality control standards to ensure the best product for your application Available in 1, 3, 6, 7, 10, 15, 30, 60, or 120mL Packaged in cases of 100 or 1000 Dropper tip caps and tips sold separately

…Ethidium Bromide solution in dropper form makes dispensing safer and convenient to use. Each drop contains about 25µg of Ethidium Bromide and is perfectly suited for a 50ml agarose gel. Simply add one drop of the Ethidium Bromide solution per 50ml gel solution (before gelation) and cast your…